monkeytype/backend/middlewares/auth.js

const MonkeyError = require("../handlers/error");
const { verifyIdToken } = require("../handlers/auth");

module.exports = {
  async authenticateRequest(req, res, next) {
    try {
      const { authorization } = req.headers;
      if (!authorization)
        return next(
          new MonkeyError(404, "Unauthorized", "No authorization header")
        );
      const token = authorization.split(" ");
      if (token[0].trim() !== "Bearer")
        return next(
          new MonkeyError(
            400,
            "Invalid Token",
            "Only bearer tokens are accepted."
          )
        );
      req.decodedToken = await verifyIdToken(token[1]);
      return next();
    } catch (e) {
      return next(e);
    }
  },
};